(March 13, 2018, 2:09 PM EDT) -- KANSAS CITY, Kan. — Plaintiffs in numerous class suits over genetically modified (GMO) corn seeds filed a motion on March 12 seeking preliminary approval of a $1.51 billion nonreversionary settlement to be paid by Syngenta AG to end all but four of the consolidated cases (In re Syngenta AG MIR162 Corn Litigation, No. 14-2591, D. Kan.)....